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You Have to See the New CMMG Mk57 Series Chambered in 5.7X28mm

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The new Mk57 Series is turning heads as one of the lightest-recoiling pistol carbines ever!

CMMG has just announced more big news! They recently released a new line of AR pistols and short-barreled rifles chambered in FN 5.7x28mm and it has gun nuts going wild.

Using the CMMG patent-pending "Radial Delayed Blowback" operating system, the brand new Mk57 Guard line is fed by 5.7x28mm pistol magazines. These models are available in the 5-inch-barreled BANSHEE, which we've covered in the past, as well as 8-inch-barreled PSB configurations.

The Mk57 Guard Series is made up of some of the lightest-weight, lightest-recoiling pistol carbines ever created. Any one of the following firearms will make for an incredible home-defense firearm, or a fun new toy to take to the range.

Watch the video below:

The 5.7 is creating a lot of buzz and for good reason. It features a relatively lightweight bullet design and some super-impressive velocities. This is an engineering match made in heaven once it's paired with CMMG's patented Radial Delayed Blowback system.

"I think it's safe to say that this combination makes the Mk57 one of the lightest-recoiling pistol-caliber carbines on the market," CMMG CEO Chris Reinkemeyer said.

As we mentioned, the Mk57 Series is available in many different rifle and pistol models. Therefore, there should be one that'll fit your exact wants and needs.

The Radial Delayed Blowback is designed to minimize recoil. With each round fired, a portion of the rearward force of the shot is exhausted in unlocking a rotating bolt in the system prior to driving the carrier forward and cycling the action.

In simpler terms, with less force going towards your shoulder, CMMG is able to use a lighter carrier and buffer than standard blowback designs. As a result, you decrease the reciprocating mass of the firearm.

The following firearms are straight from the CMMG webpages and press releases. For more specifications and details, especially on the Banshee models, don't forget to check out the website yourself.

Mk57 Banshee SBR, 5.7x28mmCMMG Mk57

  • Barrel: 5-inch MT 4140CM SBN, 1:9 Twist
  • Muzzle: Thread Protector, Threaded ½-28
  • BCG Weight: 9.9 ounces
  • Hand Guard: CMMG RML4
  • Furniture: Magpul MOE Pistol Grip, Compact Receiver Extension, CMMG RipStock, Magpul MVG Foregrip, Fully Ambidextrous Sling Plate, Selector, and Charging Handle
  • Receivers: Billet 7075-T6 AL Lower, Forged 7075-T6 AL Upper
  • Trigger: CMMG Single Stage Mil-Spec
  • Magazine: 20-round ProMag
  • Weight: 4.6 pounds (Unloaded)
  • Length: 21.75 inches (STOCK EXTENDED), 18.5 inches (STOCK COLLAPSED)
  • MSRP: $1,549.95

Mk57 Banshee Pistol, 5.7x28mmCMMG Mk57

  • Barrel: 5-inch MT 4140CM SBN, 1:9 Twist
  • Muzzle: Thread Protector, Threaded ½-28
  • BCG Weight: 9.9 ounces
  • Hand Guard: CMMG RML4
  • Furniture: Magpul MOE Pistol Grip, Gear Head Works Tailhook Mod 2 Brace, Fully Ambidextrous Sling Plate, Selector, and Charging Handle
  • Receivers: Billet 7075-T6 AL Lower, Forged 7075-T6 AL Upper
  • Trigger: CMMG Single Stage Mil-Spec
  • Magazine: 20-round ProMag
  • Weight: 4.7 pounds (Unloaded)
  • Length: 21.75 inches (STOCK EXTENDED), 18.5 inches (STOCK COLLAPSED)
  • MSRP: $1,549.95

Mk57 PSB, 5.7x28mm

CMMG Mk57

  • Barrel: 8-inch MT 4140CM SBN, 1:9 Twist
  • Muzzle: CMMG A2 Compensator, Threaded ½-28
  • BCG Weight: 9.9 ounces
  • Hand Guard: CMMG RML7
  • Furniture: Magpul MOE Pistol Grip, KAK Shockwave Stabilizer and Brace
  • Receivers: Billet 7075-T6 AL Lower, Forged 7075-T6 AL Upper
  • Trigger: CMMG Single Stage Mil-Spec
  • Magazine: 20-round ProMag
  • Weight: 5 pounds (Unloaded)
  • Length: 25 inches
  • MSRP: $1,399.95

Mk57 Pistol, 5.7x28mmCMMG Mk57

  • Barrel: 8-inch MT 4140CM SBN, 1:9 Twist
  • Muzzle: CMMG A2 Compensator, Threaded ½-28
  • BCG Weight: 9.9 oz.
  • Hand Guard: CMMG RML7
  • Furniture: Magpul MOE Pistol Grip
  • Receivers: Billet 7075-T6 AL Lower, Forged 7075-T6 AL Upper
  • Trigger: CMMG Single Stage Mil-Spec
  • Magazine: 20-round ProMag
  • Weight: 5 pounds (Unloaded)
  • Length: 25 inches
  • MSRP: $1,349.95

Big things come in small packages! Well done, CMMG! I can't wait to hear about consumers' thoughts after some range time with the Mk57 Guard 5.7x28mm Series.

NEXT: SPORTSWOMAN COURTNEY USES A CMMG 22LR UPPER FOR A GENIUS 3-GUN TRAINING ADJUSTMENT

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You Have to See the New CMMG Mk57 Series Chambered in 5.7X28mm